TE Connectivity AMP Connectors 2-1571586-8 Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 2-1571586-8 is a 24-position DIP socket with 0.6" row spacing, gold-plated mating contacts, and through-hole solder termination. This component is classified as obsolete, necessitating identification of active equivalent parts for ongoing production and maintenance applications. The socket accommodates standard DIP integrated circuits with 0.100" pitch and provides reliable electrical connection through beryllium copper mating contacts with gold finish.

Key Parameters

Parameter	Value
Number of Positions	24 (2 x 12)
Row Spacing	0.6" (15.24mm)
Pitch - Mating	0.100" (2.54mm)
Pitch - Post	0.100" (2.54mm)
Contact Finish - Mating	Gold
Contact Material - Mating	Beryllium Copper
Mounting Type	Through Hole
Termination	Solder
Termination Post Length	0.125" (3.18mm)
Housing Material	Polycyclohexylenedimethylene Terephthalate (PCT), Polyester
Operating Temperature Range	-55°C ~ 105°C
Contact Resistance	10mOhm
Material Flammability Rating	UL94 V-0
RoHS Status	RoHS Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the TE Connectivity 2-1571586-8 is determined by strict equivalence in the following critical parameters:

Mandatory Matching Parameters:

Number of Positions: 24 (2 x 12)
Row Spacing: 0.6" (15.24mm)
Pitch - Mating: 0.100" (2.54mm)
Pitch - Post: 0.100" (2.54mm)
Contact Finish - Mating: Gold
Contact Material - Mating: Beryllium Copper
Mounting Type: Through Hole
Termination: Solder
Termination Post Length: 0.125" (3.18mm)

All four substitute parts meet these mandatory parameters. Variations in secondary parameters such as post contact finish material, post contact finish thickness, housing material composition, operating temperature range, and current rating do not preclude functional substitution when the mandatory parameters align. All substitute parts are active products with current availability, contrasting with the obsolete status of the main part.

Parameter Comparison

Parameter	2-1571586-8 (TE Connectivity)	110-43-624-41-001000 (Mill-Max)	110-83-624-41-001101 (Preci-Dip)	24-6518-10 (Aries Electronics)	ICA-624-SGT (Samtec)
Number of Positions	24 (2 x 12)	24 (2 x 12)	24 (2 x 12)	24 (2 x 12)	24 (2 x 12)
Row Spacing	0.6" (15.24mm)	0.6" (15.24mm)	0.6" (15.24mm)	0.6" (15.24mm)	0.6" (15.24mm)
Pitch - Mating	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Pitch - Post	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Contact Finish - Mating	Gold	Gold	Gold	Gold	Gold
Contact Finish Thickness - Mating	25.0µin (0.63µm)	30.0µin (0.76µm)	29.5µin (0.75µm)	10.0µin (0.25µm)	30.0µin (0.76µm)
Contact Material - Mating	Beryllium Copper	Beryllium Copper	Beryllium Copper	Beryllium Copper	Beryllium Copper
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Termination	Solder	Solder	Solder	Solder	Solder
Termination Post Length	0.125" (3.18mm)	0.125" (3.18mm)	0.125" (3.18mm)	0.125" (3.18mm)	0.125" (3.18mm)
Contact Material - Post	Copper	Brass Alloy	Brass	Brass	Brass
Contact Finish - Post	Gold	Tin	Tin	Tin	Tin
Operating Temperature Range	-55°C ~ 105°C	-55°C ~ 125°C	-55°C ~ 125°C	Not Specified	-55°C ~ 125°C
Contact Resistance	10mOhm	Not Specified	10mOhm	Not Specified	10mOhm
Material Flammability Rating	UL94 V-0	Not Specified	UL94 V-0	UL94 V-0	UL94 V-0
RoHS Status	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	Not Applicable
Product Status	Obsolete	Active	Active	Active	Active

Engineering Selection Recommendations

Primary Recommendation: 110-83-624-41-001101 (Preci-Dip)

The Preci-Dip 110-83-624-41-001101 provides the closest functional equivalence to the TE Connectivity 2-1571586-8. This part maintains contact resistance specification at 10mOhm, matches the UL94 V-0 flammability rating, and achieves ROHS3 compliance. The extended operating temperature range of -55°C to 125°C exceeds the original specification, providing enhanced thermal margin. The part is currently active with 2174 units in stock.

Secondary Recommendation: ICA-624-SGT (Samtec Inc.)

The Samtec ICA-624-SGT offers active product status with 764 units available. This part maintains the 10mOhm contact resistance specification and UL94 V-0 rating. The extended operating temperature range to 125°C and ROHS3 compliance support modern regulatory requirements. REACH Affected status requires verification against specific application requirements.

Alternative Recommendation: 110-43-624-41-001000 (Mill-Max Manufacturing)

The Mill-Max 110-43-624-41-001000 is active with 2068 units in stock and provides extended operating temperature to 125°C. This part specifies a 3 A current rating and ROHS3 compliance. The absence of flammability rating specification requires evaluation against application safety requirements.

Tertiary Recommendation: 24-6518-10 (Aries Electronics)

The Aries Electronics 24-6518-10 is active with 988 units available and maintains UL94 V-0 flammability rating and ROHS3 compliance. The housing material differs from the original specification (Polyamide PA46 nylon versus PCT polyester), and operating temperature range is not specified. This part is suitable for applications where housing material variation is acceptable.

Frequently Asked Questions (FAQ)

Q: Can the substitute parts be used directly in place of the TE Connectivity 2-1571586-8?

A: Yes. All four substitute parts maintain identical mechanical and electrical interface parameters: 24-position DIP configuration, 0.6" row spacing, 0.100" pitch for both mating and post contacts, gold-plated beryllium copper mating contacts, through-hole solder termination, and 0.125" post length. These parameters ensure direct physical and functional compatibility with existing PCB designs.

Q: What is the significance of the post contact finish difference between the original part and substitutes?

A: The original TE Connectivity part specifies gold-plated copper posts, while all substitute parts specify tin-plated brass posts. Both finishes provide adequate solder wettability and electrical conductivity for through-hole termination. The tin finish on brass posts is a standard industry practice for DIP sockets and does not compromise electrical performance or reliability in standard PCB assembly processes.

Q: Why do the substitute parts have higher operating temperature ranges?

A: The substitute parts specify -55°C to 125°C operating range compared to the original -55°C to 105°C specification. This represents an enhancement in thermal capability and does not affect compatibility. Applications operating within the original -55°C to 105°C range will function identically with substitute parts.

Q: Are all substitute parts RoHS compliant?

A: Yes. All substitute parts achieve ROHS3 compliance, which exceeds the RoHS Compliant status of the original part. This ensures compatibility with modern procurement and environmental regulations.

Q: What is the difference between the packaging options offered by the substitute parts?

A: The Mill-Max 110-43-624-41-001000, Aries Electronics 24-6518-10, and Samtec ICA-624-SGT are supplied in Tube packaging. The Preci-Dip 110-83-624-41-001101 is supplied in Bulk packaging. Packaging format does not affect component performance and is determined by procurement and inventory management requirements.

Q: Which substitute part should be selected for applications requiring the lowest contact resistance specification?

A: Three substitute parts specify 10mOhm contact resistance matching the original part: Preci-Dip 110-83-624-41-001101, Samtec ICA-624-SGT, and the original TE Connectivity 2-1571586-8. The Mill-Max 110-43-624-41-001000 and Aries Electronics 24-6518-10 do not specify contact resistance values. For applications where contact resistance specification is critical, select from the three parts with documented 10mOhm ratings.

Q: What is the impact of housing material differences among substitute parts?

A: The original TE Connectivity part and three substitute parts (Mill-Max, Preci-Dip, Samtec) use polyester-based housing materials. The Aries Electronics 24-6518-10 uses Polyamide PA46 nylon with glass fill. Both material families provide adequate mechanical strength, dimensional stability, and electrical insulation for DIP socket applications. Material selection does not affect electrical performance or mechanical compatibility with standard DIP packages.

Q: Are there any REACH or ECCN compliance differences among the substitute parts?

A: All substitute parts are classified as ECCN EAR99. REACH status varies: the original TE Connectivity part and Samtec ICA-624-SGT are REACH Affected, while Mill-Max, Preci-Dip, and Aries Electronics parts are REACH Unaffected. Applications subject to REACH regulations should verify compliance requirements with the specific substitute part selected.

Q: What inventory availability should be considered when selecting a substitute part?

A: Current inventory levels are: Preci-Dip 110-83-624-41-001101 (2174 units), Mill-Max 110-43-624-41-001000 (2068 units), Aries Electronics 24-6518-10 (988 units), and Samtec ICA-624-SGT (764 units). Inventory levels support production requirements across all substitute options.

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